99943874 has 8 divisors (see below), whose sum is σ = 149964048. Its totient is φ = 49955860.

The previous prime is 99943873. The next prime is 99943897. The reversal of 99943874 is 47834999.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (99943873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2489 + ... + 14355.

It is an arithmetic number, because the mean of its divisors is an integer number (18745506).

Almost surely, 2^99943874 is an apocalyptic number.

99943874 is a deficient number, since it is larger than the sum of its proper divisors (50020174).

99943874 is a wasteful number, since it uses less digits than its factorization.

99943874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16080.

The product of its digits is 1959552, while the sum is 53.

The square root of 99943874 is about 9997.1933061235. The cubic root of 99943874 is about 464.0720291717.

The spelling of 99943874 in words is "ninety-nine million, nine hundred forty-three thousand, eight hundred seventy-four".